Log-loader



J. C. SPRAGUE `AND A. (i. JOHNSTON.

LOG LOADER| mm Wm m 2 m QJ@ P -..1 l

m H4 N. A QW .i j

m. M Wim, NNN@ RN m m W. .@.wwmw N m, Nw w uw M o MA. OO

9, QU w PO N. .m w. o0, .NJN 1|. Y

J. C. SPRAGUE AND A. G. JOHNSTON.

LOG LOADER.

APPLICATION FILED SEPT. 3. 19'19.

1,363,930, y Patented Dec. 28, 1920.

2 SHEETS-SHEET 2.

` vwefnm Jairagae, $270532 Sion,

aucuns i UNITED STATES PATENT ortica.

JAMES C. SPRAGUE AND ALEXANDER G. JOHNSTON, OF PATTEN,MAINE.

LOG-LOADER.

Specification of Letters Patent.

Patented Dec. 28, 1920.

Application led September' 3, 1919. Serial No. 321,426.

handling of four foot pulp logs and ties.

The invention consists in the novel fea# tures of construction hereinafter described, pointed out in the claim, and s hown in the accompanying drawings, in which Figuresl, 1, are a plan view.

Figs. 2. 2 are a side elevation.

Fig. 3 is a front elevation.

In these drawings 1 designates sled runners having thereon a log receiving platform 2, and in advance of said platform a bolster 3 on which is mounted the rear end On the platform 4 are mounted suitably braced standards 7. On a shaft-8 carried by the rear portion of the runners 1 are parallel plates 9, which form the body portion of the conveyer. The inner corners of these plates are cut out as at 10. Outer parallel bars 9a are pivotally mounted on the shaft 8, their outer ends being connected by a shaft 18 referred to more specifically hereafter. At the forward end of the runners 1 are parallel shafts 11 and 12. Fixed on the shaft 11 is a pulley 13 and a gear wheel 14. On the shaft 12 is a pinion 15 meshing with the gear wheel 14, and sprocket wheels 16.

Sprockets 16a are mounted on the shaft 8, and chains 17 run over said sprockets and over and under the platform 2. The rear end of the conveyer plates 9 carry a shaft 18. Sprockets 19 are mounted on the shaft 8 and sprocket 19a on the shaft 18, these sprockets being arranged respectively in the cut out corner portions of the plates 9. Loading chains 2O run over the sprockets 19 and 19EL and over the plates 9, the mounting of the sprockets for the chains 20 in the cut out portions of the plates allowing for this.

The rear portion of the conveyer is provided with a transverse projecting cross member 21, carrying pulleys 22, over which run the cables 23 for raising and lowering the conveyer. These cables work over suitably arranged pulleys 24 carried by the standards. The ends of the cables are secured respectively to rings 25 and to a roller 26, carried by the platform 4, and operated, to adjust the conveyer by any suitable means.

A tongue 9.7 is employed for moving the device from place to place, and said tongue may be attached in any manner and to either end of the device. A

A suitable engine, not shown, is placed where most convenient, as on the platformv 4, and drives the pulley 13.

'In cutting pulp wood it is common to form large stacks or piles of the wood, in four foot lengths, and then haul from said piles to a mill or railway. To load from these piles in the usual way would require two shifts of men, one to throw the logs from the pile and another to load them on the sled. As such hauling is done during the winter months a sled is the only practical method. of transport. By use of our device the amount of labor is cut in half, a matter of vital importance at the present time. The sled is backed to the pile, the logs placed on the conveyer and they then travel downwardly to the rear platform where they are taken up by the chains 17 and carried along the rear platform. One man can swing the logs with a spike from the chains and into position on the sled, parallel to and between the chains. As the pile decreases in size the conveyer is gradually lowered so that its upper end will remain approximately about the height of the pile of logs.

`What we claim` is As a new article of manufacture, a log loading and conveying device comprising forward and rearward sled runners, a platform on the forward runners, alog receiving platform on the rear runners, sprocket ywheels mounted at each end of the rear plattoward the forward platform, a shaft carred by the front platform for adjusting red by the rear portion of said rear runsaid conveyer. ners, and. ai conveye-r comprising parallel In testimony whereof We aflx our sgna- 10 plates pyotallymountecl on said shaft and tures.

parallel Chains adapted to travel longitud- Y Y nally over the plates, common means for JAMES C. SPRAGUE. operating all of said chains, and. means car- ALEXANDER Gr. JOHNSTON. 

